When I had the early car it had a no 12 key and I bought a spare one so that there were two in the car so if one was misplaced I could still get the wheels off.
Did the later cars have just the one key or did they vary. If the former I will try to get a spare key.
"Don't think of them as problems, think of them as opportunities."
"OK, I think I've hit an insurmountable opportunity!"